12 August 2017 - bulletin 473

Updated at 0930 GMT
Latest warning for 14W
First warning for 12E
Disturbance update


NORTHWESTERN PACIFIC OCEAN
Tropical storm Banyan / 14W
Warning 06 from JTWC at 0900 GMT
Position 19.4N 165.1E
Location 85 miles W of Wake Island
Movement 310° (NW) at 8 knots
Maximum sustained winds 55 knots gusting to 70 knots
Winds of 34 knots or higher occur within 30 to 90 miles of the centre
Threatened landmasses NONE
Maximum significant wave height 18 feet
Next warning from JTWC at 0300 GMT

Banyan will move northwest, later veering northnortheast. The system will intensify to 85 knots, before becoming extratropical.

EASTERN PACIFIC OCEAN
Tropical storm Jova / 12E
Warning 02 from NHC at 0900 GMT
Position 19.3N 110.4W
Location 250 miles S of the southern tip of Baja California
Movement 285° (WNW) at 10 knots
Maximum sustained winds 35 knots gusting to 45 knots
Winds of 34 knots or higher occur within 45 miles of the centre
Threatened landmasses NONE
Minimum central pressure 1003 mbar
Next warning from NHC at 1500 GMT

Jova formed earlier today (GMT) out of the remnants of Franklin and will move westnorthwest. Due to adverse conditions, the storm will not intensify much, and is expected to after a day or two.

TROPICAL DISTURBANCE UPDATE
NORTHERN ATLANTIC OCEAN
Update from NHC at 0600 GMT
System 99L
Position 22.8N 68.3W
Location 250 miles ENE of the Turks & Caicos Islands
Likelihood of tropical cyclone formation within 48 hours is MEDIUM (40%)
Likelihood of tropical cyclone formation within 5 days is MEDIUM (60%)

EASTERN PACIFIC OCEAN
Update from NHC at 0300 GMT
System 92E is now 12E

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